Ricoh Aficio MP C305SP Field Service Manual page 673

No. Type
Toner bottle ID: Communication error
• Communication error occurs when the toner bottle ID starts to communicate
with the toner bottle ID receptor.
• Retry of toner bottle ID communication fails three times after the machine has
detected the toner bottle ID communication error.
• Defective toner bottle ID reader and writer
681 D
• Disconnected ASAP I/F
• No memory chip on the toner cartridge
• Noise
1. Replace the toner bottle detection board.
2. Replace the toner cartridge.
No. Type
HST sensor: Communication error
Retry of memory chip communication fails three times after the machine has
detected the memory chip communication error.
• Damaged memory chip data
682 D
• Disconnected interface
• No memory chip on the development unit
• Noise
1. Replace the PCDU.
2. Replace the BICU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC Tables
671